多行文本域的提示文本如何居中

html内容

<section class="Contact">

<h1>Contacu Us</h1>

<p>owei wendie endie sleid enoejn ddiendosie dnie dnseib dnvvi eifnie doie ohin<br>ndien meidn enin ndieg enirnj</p>

<form>

<p><input type="text" class="one" placeholder="Full Name">

<input type="email" clsaa="two" placeholder="Email"></p>

<p><textarea rows="20" cols="100" placeholder="Message"></textarea></p>

<input type="submit"  value="Submit Message" class="submit">

</form>

</section>

css内容

.Contact{

height: 840px;

}

.Contact > h1 {

color: #f46208;

font-size: 48px;

text-align: center;

}

.Contact > p {

text-align: center;

}

.Contact > form {

text-align: center;

}

.Contacet > form {

border : 1px solid #2e2e2e;

}